Help expand the directory by suggesting a product or submitting an open-source alternative.
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
Most searched proprietary tools with open-source replacements
An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.
An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.
A privacy-focused, open-source note-taking app with end-to-end encrypted sync across all major platforms.
A standard library for JavaScript and TypeScript with an emphasis on numerical and scientific computation.
Showing 2,872 products with open-source alternatives
A lightweight, extensible code editor with built-in Git support, debugging, and IntelliSense for multiple languages.
A cross-platform, plugin-powered open-source music streaming app that lets you bring your own audio sources and metadata.
A .NET library for background job processing with fire-and-forget, delayed, and recurring tasks, no Windows Service required.
A continuous file synchronization program that securely syncs files between multiple computers without central servers.
A hackable text editor for the 21st century, built on Electron and designed for deep customization.
An insanely fast binary data interchange format and capability-based RPC system.
An open-source, real-time infrastructure monitoring platform with per-second metrics, ML-powered anomaly detection, and zero-configuration deployment.
A high-performance, multi-database compatible .NET ORM framework with low-code features and enterprise-ready solutions.
A free, open-source social network server for self-hosted, federated microblogging communities.
A professional animated sprite editor and pixel art tool for game developers and digital artists.
A highly customizable and versatile GraphQL client for React, Preact, Vue, Solid, and Svelte.
An open-source, self-hostable kanban board application built with Meteor for collaborative task management.
A painless self-hosted all-in-one software development service with Git hosting, code review, team collaboration, package registry, and CI/CD.
A cross-platform, plugin-powered open-source music streaming app that lets you bring your own audio sources and metadata.
Open-source project management platform for tracking issues, running cycles, and managing product roadmaps.
A free, open-source, cross-platform game engine for creating 2D and 3D games with a unified editor.
A mobile database for iOS, macOS, tvOS, and watchOS that replaces Core Data and SQLite with an object-oriented model.
An open-source HTML presentation framework for creating beautiful, interactive slides directly in the browser.
A .NET library for background job processing with fire-and-forget, delayed, and recurring tasks, no Windows Service required.
A modern, memory-safe TLS library written in Rust, implementing TLS 1.2 and 1.3 for clients and servers.
Open-source team chat with topic-based threading that combines the best of email and chat for productive remote work.
A distributed cloud-native messaging and streaming platform for building event-driven applications with high performance and reliability.
A simple terminal UI for managing Docker containers and services with keyboard shortcuts and real-time metrics.
The open-source backend infrastructure for Bitwarden, providing APIs, database, and core services for password management.
A pure Go implementation of jq for parsing, filtering, and transforming JSON and YAML data.
An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.
A privacy-first, open-source platform for knowledge management and collaboration using a networked note-taking approach.
A painless self-hosted all-in-one software development service with Git hosting, code review, team collaboration, package registry, and CI/CD.
An open-source end-to-end developer platform with source code hosting, CI/CD pipelines, hosted dev environments, and artifact registries.
An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.
Open-source IaC automation and collaboration platform for Terraform and OpenTofu workflows.
A modern, enterprise-ready business intelligence web application for data visualization and exploration.
A GraphQL-native, headless commerce API platform for building scalable, composable e-commerce solutions.
A Python ETL framework for stream processing, real-time analytics, and building live LLM/RAG pipelines, powered by a scalable Rust engine.
A fast 4kB alternative to React with the same modern API, featuring components and a virtual DOM.
A make-like build tool for Go projects that lets you write build tasks as plain Go functions.